Improvement in grtjbbing-machine



Y CHASE L DEvENponFF.

` Grubbing Machine. No. 35,069i Patented Dec. 22,1863.

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@mail 'f'JHARLns E. eHAsE AND BENJAMIN F. DEvEND'oRFF, or 'vvYoMrNGTOWNSHIP, M IoHI- I xGAN, ASSIGNORS-TO THEMSELVES AND JOSEPH S. RANDALL.

Tho Schedule referred to in these Letters Patent and making of the sameTo all whom Iit may concern.-

Be it known that we,OHARLEs E. CHASE and BENJA- MIN F. DEVENDORFF, bothresiding in the township of Wyoming, county of Kent, and State ofMichigan, have invented certain new and useful Improvements inGrubbing-Machines; and do hereby declare that the following is a full,clear, and exact description thereof, reference being therein had to theaccompanying drawings, and to the letters of reference marked thereon,in which Figure 1 is a perspective view of our machine in aworking-position;

' Figure 2, a cross-section of the main lever A; and

Figures 3 and 4, a View of the hooks used in the ma chine.

Said drawings are made a part of? these specifications.

In our invention, the power for extracting grubs is in the lever A,mounted upon strong trucks; and

The improvement which we claim to be new, and which constitutes ourinvention, is the hook I, when used in connection with the body of themachine, for pulling grubs or other small trees from the earth, and themanner of attaching it to the main lever A, by. means of the smallnotches a a.

For pulling grubs from which'the tops have not been removed, a hook, inthe form represented by L,n1ay be conveniently'used; but upon the hook Lwe ask no patent, although its use and construction will be described to'some extent below.

The hooks are in tivo forms, but both are attac-nen to the main leven inthe saine way.

The book I visA an ordinary curved hook, split back a short distancefrom the end, as shown at b, and is to be used in pulling fcapgrubs, orthose from which the tops have been removed, as well as those upon whichthe tops are still standing.

In the .hook L, the part c is so formed as to grasp or enclose thebodyof a standing tree or grub, and is to be used when the tops have notbeen removed.

The manner of voperating our .inventionis to raise the lever A nearly toa perpendicular position, so that the part H may be pressed against. thegrub at theI place where it leaves the earth. The proper hook is placedin the slot D, and, by means of the notches c a, attached to the boltct, fig.2,lwhich passes through the mainlever. The point of thehook b,or the part c, 'is pressed firmly against that'part of the' gruboppositev the main lever. The power is applied at E, and the grub'israised by theI pressure of the part H, from beneath, against it, asthe-lever is drawn to a horizontal position.

Horses or oxen may be used with equally good effect with this machine.

To enable 'others to make our invention,- we will proceed to describeit, premisingby the way that the sizes.

which we give to the several parts ar'e such as we deem best adapted tocommon use. They may be varied to suit special circumstances.

The general form of the machine is apparent from an inspection of fig.1.'

inches thick, and made from asolid log, of proper size'.

them is ve inches square, and four inches in diameter where it entersthe wheels.

The main lever A should be about nine feet in length and ve inchessquare at the place where it is attached iron, the ends of which passthrough the axle, and are fastened beneath by nuts.

'I he lower end of the lever is furnished with a plate of iron, Jone-half inch thick, and slightly turned out at H.

, The hooks are two and a half feet long, three-fourths made in thevforms represented in ii gs. 3 and 4.

`upper side, and is of such form and size as to easily enclose and graspthe grnbs to be pulled.

from the lcentre of the axle, so that the part H will be a triiiefarther from the axle than the circumference of thewheels Y The slot D Dshould be six inches on the top of the lever, anfdten inches on thevbottom, in length, and one in ch wide. The hooks I and L are to be madeof iron, and the catch upon the bolt x, fig. 2. l

We disclaim all the parts f of the above machine which are used in otheranalogous machines.

We disclaim all the matter in this specification relating tothe hook'L,and ask no patent upon thev same; but

Patent, isv The ,adjustable hook I, Iig. 3, when used in combinationwith Athe lever A and wheels B B, fig. 1, substantially'invthe mannerland for the purpose above Set forth.' A v In testimony that we claim theforegoing, we have CHARLES E. CHASE. [L. s. BENJAMIN F. DEVENDORFF. [L.s. Witnesses:v

' STEPHEN' H. BALLARD,

OMAR H. SmrANDs.

The wheels are eighteen inch es in diameter and eight The wheels are onefoot apalt, and the axlebetween to the axle, and tapering` slightlytoward the upper end. 'It is fastened to the axle by means of a band orrod of of an inchthick, and two and a half incheswide, and are The partc of the hook L is bevelled slightly on the The main lever A shouldextend ten inches back v notches a c are to be of such form andsize'astjreadily l/Vhat we do'claim, and desire to secure by Lettershereunto set our hands and seals, this 5th day of J une,

